Low Power Mode

How to activate APPLE iPhone 3G?

How to enable low battery mode in APPLE iPhone 3G? How to actiavte low power mode in APPLE iPhone 3G? How to switch on the low battery in APPLE iPhone 3G? How to extand the battery life in APPLE iPhone 3G?

Low Power Mode reduces the amount of power that your APPLE iPhone 3G uses when the battery gets low.